From ee81877ebb3ca9b9f0a7f01729697fe9c9d3cb96 Mon Sep 17 00:00:00 2001
From: neslihanturan <tur.neslihan@gmail.com>
Date: Mon, 26 Jul 2021 08:17:34 +0300
Subject: [PATCH] This error seemed to occur on compositeDisposable.clear() so
 null checked there (#4525)

---
 .../nrw/commons/contributions/ContributionBoundaryCallback.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/fr/free/nrw/commons/contributions/ContributionBoundaryCallback.kt b/app/src/main/java/fr/free/nrw/commons/contributions/ContributionBoundaryCallback.kt
index 00f002176..bf6d42ac2 100644
--- a/app/src/main/java/fr/free/nrw/commons/contributions/ContributionBoundaryCallback.kt
+++ b/app/src/main/java/fr/free/nrw/commons/contributions/ContributionBoundaryCallback.kt
@@ -70,7 +70,9 @@ class ContributionBoundaryCallback @Inject constructor(
                     }
             )
         }else {
-            compositeDisposable.clear()
+            if (compositeDisposable != null){
+                compositeDisposable.clear()
+            }
         }
     }